Home / 15,911.40-23,830.65-15,546.90

Finding the Fourth Proportional to 15,911.40, 23,830.65 and 15,546.90

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Solution

The fourth proportional to 15,911.40, 23,830.65 and 15,546.90 is: 23,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.40 : 23,830.65 = 15,546.90 : x
  2. Step 2: Convert to fraction form
    15,911.40/23,830.65 = 15,546.90/x
  3. Step 3: Cross multiply
    15,911.40x = 23,830.65 × 15,546.90
  4. Step 4: Simplify right side
    15,911.40x = 370,492,732.49
  5. Step 5: Solve for x
    x = 370,492,732.49/15,911.40
  6. Step 6: Final answer
    x = 23,284.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.